128587910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{9661}}^1$

素因数の和:9701

約数の個数: 32

約数和(自身を含む): 254613024

約数和(自身を除く): 126025114

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 2662, 6655, 9661, 13310, 19322, 48305, 96610, 106271, 212542, 531355, 1062710, 1168981, 2337962, 5844905, 11689810, 12858791, 25717582, 64293955, 128587910]

約数ペア:

[(1, 128587910), (2, 64293955), (5, 25717582), (10, 12858791), (11, 11689810), (22, 5844905), (55, 2337962), (110, 1168981), (121, 1062710), (242, 531355), (605, 212542), (1210, 106271), (1331, 96610), (2662, 48305), (6655, 19322), (9661, 13310)]